ARCHIANNELIDA ROTIFERA. 
Verm. : 23 
ARCHIANNELIDA. 
Gordius fece, n. sp., Camerano (2). 
Gordiidce : anatomy, &c. ; id. (1, 3). 
Protoan?ielida3 : relations to other Vermes ; Camerano (3). 
, GEPHYREA. 
Literaturo for 1885-87 ; Marenzeller. 
HIRUDIN E A. 
Outer form, rings, somites, &c., with a genealogical tree of the Leeches ; 
ApAthy (1). 
Nephridia ; Spencer (2). 
Vascular system : A. G. Bourne. 
Calliobdella and C. nigra , n. sp. ; ApAthy (2). 
Clepsinidoe subfamily : genus Clepsine , C. marginata , p. 789, C. tenulata, 
p. 789, C. bioculata f p. 790, C. heteroclita and C. heteroclita striata ) n. var., 
C. concolor , n. sp., C. sexoculata , p. 791 ; id. (3). 
Gnathobdellidce ; id. (2). 
Gnathobdellida} family : Nephelidce subfamily ; genus Nephelis , N. 
octoculata , p. 793 ; id. (3). 
Ilirudinidce subfamily : genus A ulastoma, A. gulo } p. 793; genus Hirudo i 
H. medicinalis, p. 794 ; id. (3). 
Pontobdella ; id. (2). 
Rhynchobdellidce family : l'chthyobdellidce subfamily; genus Piscicola , JP. 
geometra , p. 776, P. piscium , p. 776, P. linearis , p. 779, P. stellata , p. 779, 
P. respirans , p. 779; id. (2). 
ROTIFERA 
Literature for 1885-87 ; Marenzeller. 
Habitat, anatomy, &c. ; Weber. 
Anurea brevispina : description, with figs. ; id. 
Asplanchnidce : characters of genera aud species described, with 
Asplanchna imhoji, n. sp., A. herridci t n. sp., A. h'ameri , n. sp., A. girodi t 
n. sp., Asplanchnopus , n. g. ; Guerne. 
Asplanchna myrmeleo , $ ; Rousselet. 
Asplanchna myrmeleo, £ ; Western. 
Brachionus urceolaris , $ & description, with figs., and excretory 
organs; Weber. 
Brachionus amphiceros , description ; id. 
